CVE-2026-86823

MediumCVSS 5.3/10Last modified Sep 17, 2026

Description

The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-601

Affected software

No affected versions have been published.

Timeline

Published
Sep 16, 2026
Last modified
Sep 17, 2026
NVD status
Deferred

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CVE-2026-86823: Medium severity, CVSS 5.3 | Vulnix